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CX-JV1
24
24
6-4.
BLOCK DIAGRAM – AMP/POWER SUPPLY Section –
VH1, 2 (AC)
R-CH
R-CH
+VL
–VP
+VP
+VH
OVER LOAD
DETECT
Q129
OUTPUT LEVEL
DETECT
Q235
DC DETECT
Q063, 064
BIAS
Q117, 119
HOLD
Q045, 046
AC DETECT
D067, 068
THERMAL DETECT
Q291, 292
FEED BACK
SWITCH
Q643
+
FINAL DRIVE
Q125, 127
SWITCHING
Q232
SWITCHING
Q231
PROTECT
Q047
VH1, 2 (AC)
+
R-CH
R-CH
+
+
HOLD
Q282
+
TH101, 102
+
+
R-CH
R-CH
CASCADE
Q109, 111
PRE DRIVE
Q101, 103
MUTING
Q181
DBFB CONTROL
Q641
+
MUTING
CONTROL
Q183
CURRENT
MIRROR
Q105, 107
BOOST
CONTROL
Q674 – 677
FREQUENCY
CONTROL
Q671 – 673
R-CH
+VL
+VH
OUTPUT LEVEL
DETECT
Q233, 234
13
BASS BOOST ENHANCER
IC671
14
7
17
VR401
J401
LCK
MUTE
POWER
POWER
HOLD
CLK
S-OUT
DATA
13
LM-L
LM-R
TM-L
TM-R
MIC LEVEL
AGC
Q401
–32V
REGULATOR
Q041, 043
(AC IN)
POWER TRANSFORMER
(SUB)
PT002 (Except Thai)
PT011 (Thai)
POWER TRANSFORMER
(MAIN)
PT002 (Thai)
PT004 (Except Thai)
RECT
D010
+VL
TO
POWER AMP
BLOCK
–VL
VSS
RY001
VL1
VL2
110 – 120V
220 – 240V
VF1
TO
FLUORESCENT
INDICATOR TUBE
VF2
RECT
D009
+VH
–VH
CD-VM
VDD
VM
–VFL
V-STBY
VH1
VH2
RECT
D019 – 022
VM1
VM2
RESET SWITCH
Q901
CD ON
RELAY DRIVE
Q022
VCC
+4V
+3.3V (CD)
B+ SWITCH
Q023, 024
RECT
D694
+3.3V
P-DOWN
RESET
D504
D697
R-CH
MIC
MIC MIXING
CD
DATA, CLK, LATCH
D402
TU
PB, REC
PB
REC
LM-L, LM-R,
TM-L, TM-R
DATA, CLK,
S-OUT, LCK
RESET,
P-DOWN
MIC, VF ON
MUTE, CD ON,
POWER, HOLD
• SIGNAL PATH
: TUNER (FM/AM)
: TAPE PLAY
: REC
• R-ch is omitted due to same as L-ch.
: CD PLAY
J603 (1/2)
R
VIDEO/AUX
L
(Except Thai)
(Thai)
VOLTAGE SELECTOR
S001
D002, 003 (Except Thai)
D091, 092 (Thai)
: VIDEO/AUX IN
: MIC INPUT
: REC OUT
DATA
LATCH
CLK
LEVEL SHIFT
Q406, 407
LEVEL SHIFT
Q402, 403
LEVEL SHIFT
Q404, 405
10
VOCAL FADER ON/OFF SWITCH
IC712
VF ON
R-CH
MUTING
Q743
OVER CURRENT
DETECT
Q281
MUTING
CONTROL
Q184 – 186
D181
VL (AC)
REC AMP
Q741
R-CH
J603 (2/2)
R
REC OUT
L
+7V
(CD)
+5V (VCD)
+7V
REGULATOR
Q601, 602
+5V
REGULATOR
Q605, 606
+3.3V (VCD)
+3.3V
REGULATOR
Q801
CD ON
SWITCH
Q603, 604
+
J221
PHONES
SPEAKER
+
–
–
+
R
L
J203
5
R-CH
MIC
VM
MUTING
CONTROL
Q746
B+ SWITCH
Q001
Summary of Contents for CX-JV1
Page 20: ...20 CX JV1 MEMO ...
Page 97: ...9 CX JV1 MEMO ...